First round of dead file removal

experimental/visual_studio_plugin/src/MsiHelp/MainForm.cs

-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Diagnostics;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Windows.Forms;
-using Microsoft.Win32;
-
-namespace MsiHelp
-{
-  public enum MainFormResultCode {
-    Unknown = -1,
-    Ok = 0,
-    UserCancelled,
-    BadArgs,
-    Error,
-  }
-
-  public partial class MainForm : Form
-  {
-    private static readonly string kVsName = "devenv";
-
-    public MainForm()
-    {
-      InitializeComponent();
-      ResultCode = MainFormResultCode.Unknown;
-      this.Visible = false;
-    }
-
-    public MainFormResultCode ResultCode { get; set; }
-    public Exception Error { get; set; }
-
-    protected override void OnLoad(EventArgs e)
-    {
-      this.Visible = false;
-      string[] args = Environment.GetCommandLineArgs();
-      if (args.Length != 2) {
-        MessageBox.Show(this, "Oops: wrong number of arguments", "MsiHelp", MessageBoxButtons.OK, MessageBoxIcon.Error);
-        ResultCode = MainFormResultCode.BadArgs;
-        Close();
-      }
-
-      if (args[1] == "test") {
-        this.Text = "Test Installer";
-        message_.Text = "Wasting time...";
-        worker_.DoWork += new DoWorkEventHandler(TestWorker);
-      } else if (args[1] == "killvs") {
-        this.Visible = true;
-        Text = "Close Visual Studio";
-        message_.Text = "Waiting for Visual Studio to close...";
-        worker_.DoWork += new DoWorkEventHandler(KillVsWorker);
-      } else if (args[1] == "setup") {
-        this.Visible = true;
-        Text = "Registering Packages";
-        message_.Text = "Registering packages with Visual Studio...";
-        worker_.DoWork += new DoWorkEventHandler(DevEnvSetup);
-      }
-
-      worker_.RunWorkerAsync();
-      base.OnLoad(e);
-    }
-
-    void DevEnvSetup(object sender, DoWorkEventArgs e)
-    {
-//      string vsdir = Registry.GetValue("")
-    }
-
-    void KillVsWorker(object sender, DoWorkEventArgs e)
-    {
-      var vsProcesses = new List<Process>(Process.GetProcessesByName(kVsName));
-
-      if (vsProcesses.Count == 0) {
-        Finish(MainFormResultCode.Ok);
-      }
-
-      DialogResult autoClose = (DialogResult) Invoke(new InvokeDialogHandler( () => AutoCloseMessage() ));
-
-      try {
-        switch (autoClose) {
-          case DialogResult.Yes:
-            Invoke(
-                new InvokeHandler(
-                    () => message_.Text = "Closing Visual Studio..."));
-            foreach (var vsProcess in vsProcesses) {
-              vsProcess.CloseMainWindow();
-            }
-            break;
-          case DialogResult.No:
-            break;
-          case DialogResult.Cancel:
-            Finish(MainFormResultCode.UserCancelled);
-            break;
-        }
-
-        List<Process> deaders = new List<Process>();
-        while (vsProcesses.Count > 0) {
-          foreach (var vsProcess in vsProcesses) {
-            if (vsProcess.HasExited) {
-              deaders.Add(vsProcess);
-            }
-          }
-          foreach (var process in deaders) {
-            vsProcesses.Remove(process);
-            process.Dispose();
-          }
-          deaders.Clear();
-        }
-      } catch (Exception ex) {
-        Error = ex;
-        Finish(MainFormResultCode.Error);
-        return;
-      }
-      Finish(MainFormResultCode.Ok);
-    }
-
-    private DialogResult AutoCloseMessage() {
-      return MessageBox.Show(
-          this,
-          "Installation cannot proceed until Visual Studio is closed.\n" +
-          "Close Visual Studio automatically?\n" +
-          "(Select 'Yes' to close Visual Studio automatically. Select 'No' to close it yourself. Select 'Cancel' to abort the install process.",
-          "Installer",
-          MessageBoxButtons.YesNoCancel,
-          MessageBoxIcon.Question);
-    }
-
-    private delegate void InvokeHandler();
-
-    private delegate DialogResult InvokeDialogHandler();
-    private void OnFinished(MainFormResultCode code) {
-      ResultCode = code;
-      Close();
-    }
-
-    private void Finish(MainFormResultCode code) {
-      this.Invoke(new InvokeHandler(() => OnFinished(code)));
-    }
-
-    void TestWorker(object sender, DoWorkEventArgs e)
-    {
-      System.Threading.Thread.Sleep(5000);
-      Finish(MainFormResultCode.Ok);
-    }
-
-    private void button1_Click(object sender, EventArgs e)
-    {
-      OnFinished(MainFormResultCode.UserCancelled);
-    }
-  }
-}